package thread;

/**
 * 互斥锁
 */
public class SyncDemo4 {
    public static void main(String[] args) {
        Boo boo=new Boo();
        Thread t1=new Thread(){
          public void run(){
              boo.methodA();
          }
        };
        Thread t2=new Thread(){
            public void run(){
                boo.methodB();
            }
        };
        t1.start();
        t2.start();
    }
}

class Boo{
    public synchronized void methodA(){
        try {
            Thread t=Thread.currentThread();
            System.out.println(t.getName()+"正在执行A方法");
            Thread.sleep(5000);
            System.out.println(t.getName()+"执行完毕");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }


  //  public synchronized void methodB(){
  public  void methodB(){
        synchronized (this) {
            try {
                Thread t = Thread.currentThread();
                System.out.println(t.getName() + "正在执行B方法");
                Thread.sleep(5000);
                System.out.println(t.getName() + "执行完毕");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
